from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from pydantic import BaseModel
from typing import Optional
from app.database import get_db
from app.api.v1.deps import get_current_user_id
from app.services.invoice import InvoiceService

router = APIRouter()


class InvoiceApplyRequest(BaseModel):
    invoice_type: str
    title: str
    tax_id: Optional[str] = None
    amount: float


@router.post("/apply")
async def apply_invoice(
    data: InvoiceApplyRequest,
    user_id: str = Depends(get_current_user_id),
    db: AsyncSession = Depends(get_db),
):
    service = InvoiceService(db)
    result = await service.apply(user_id, data.model_dump())
    if "error" in result:
        raise HTTPException(status_code=400, detail=result["error"])
    return {"success": True, "data": result}


@router.get("/list")
async def list_invoices(
    user_id: str = Depends(get_current_user_id),
    db: AsyncSession = Depends(get_db),
):
    service = InvoiceService(db)
    items = await service.list_user(user_id)
    return {"success": True, "data": items}